Architectural shingles
Metal roofing
Tile roofing
GAF
Owens Corning
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Replacement Across Commerce
Roof replacement in Commerce runs $8,500 to $22,000 for a typical flat or low-slope membrane roof, and $9,500 to $26,000 for a full shingle tear-off on the city’s postwar tract homes. Most Commerce jobs take four to seven working days from tear-off to final inspection, depending on decking condition and permit timing. Crown Line Roof Repair serves Commerce from Garden Grove, and we know this city’s roofs: dense industrial lots, shared walls, flat membranes, and drainage that fails during winter rains. Call (844) 966-3891 for a free estimate with a written line-item quote before any work starts.
Why Crown Line Roof Repair Is Commerce’s Preferred Roof Replacement Company
Commerce homeowners don’t need a general contractor who happens to offer roofing. They need a roofer who understands that a 1950s stucco house near Rosewood has different needs than a warehouse off the 710. Our team works across all seven major shingle manufacturers, including CertainTeed, Owens Corning, and IKO, so we match what your roof actually needs rather than pushing a single brand. Repair first. Replacement only when the numbers justify it.
Noel Carrasco leads Crown Line Roof Repair, and his approach is simple: diagnose honestly, quote precisely, and keep the job site clean. Commerce customers routinely tell us the same thing: the estimate matched the final invoice. That matters on tight lots where access is limited and surprises are expensive.
We pull permits, coordinate with neighbors when staging affects shared alleys, and leave the site cleaner than we found it. The free estimate is a real estimate; line items, material allowances, and a clear scope of work. Nothing vague.
Styles & brands we work with
Asphalt Shingle Roof Replacement in Commerce
Asphalt Shingle Roof Replacement in Commerce applies mainly to the city’s postwar tract homes along streets like Rosewood and near Whittier Boulevard. Many of these houses were built between the 1940s and 1960s, and their original wood shake or early asphalt roofs are at the end of their service life. A full shingle replacement here runs $9,500 to $26,000, with architectural shingles adding roughly $3,000 to $5,000 over basic three-tab. The work involves tearing off the old shingles, replacing damaged decking, installing new underlayment, and laying the new shingle system with edge metal and flashing.
Architectural Shingle Systems
Architectural shingles hold up better than three-tab under Commerce’s inland heat and intense UV exposure. They’re thicker, layered, and less prone to curling. We stock material options from Owens Corning, CertainTeed, and Atlas, so the recommendation is driven by your roof’s exposure, slope, and budget, not by a brand quota.
Decking Replacement
On Commerce homes built in the 1940s and 1950s, rotted decking is common, especially around plumbing stacks and HVAC penetrations. We replace damaged plywood or OSB as needed, and it’s priced per sheet so you know exactly what you’re paying for before the first nail goes in.
New Roof Installation in Commerce
New Roof Installation in Commerce covers both new construction and full re-roofing on flat or low-slope membrane systems. Whether it’s a new accessory dwelling unit behind a postwar home or a full replacement on a converted commercial building, new roof installation in this city means choosing a membrane system, upgrading insulation where code requires it, and getting the drainage right. Typical costs run $8,500 to $22,000 for residential-scale flat roofs, and the range depends largely on decking condition and whether you need a reflective cap sheet or coating to meet Title 24 energy requirements.
Membrane Selection
Commerce’s flat roofs demand materials that handle standing water and constant sun. TPO holds up well because it’s heat-reflective and weldable at the seams. Modified bitumen is another solid option for low slopes. We’ll show you both, explain the trade-offs, and let you decide based on what your structure can support.
Drainage and Curb Flashings
Most new installation failures in Commerce trace back to two things: clogged drains and poorly flashed HVAC curbs. We inspect both during tear-off and rebuild them properly. That means new scupper boxes, new strainer baskets, and fresh curb flashing that won’t leak the first winter.
Trusted Brands We Service in Commerce
We’re certified to work with all seven dominant shingle manufacturers, including GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. That matters in Commerce because so many flat roof replacements involve materials that aren’t shingles at all. TPO, modified bitumen, and foam require a contractor who understands membrane chemistry, not just nail patterns. When a Commerce homeowner needs an asphalt shingle roof replaced, we can match CertainTeed, Owens Corning, or Atlas systems precisely. No brand lock-in. Seven major brands, one honest recommendation.
Common Roof Replacement Problems We See in Commerce Homes
- Membrane shrinkage and blistering. Commerce’s inland summers bake flat roofs for months at a time. Without a reflective coating, TPO and modified bitumen membranes shrink, pull at the seams, and blister. A replacement with a white or reflective surface can drop roof temperatures by 30 to 50 degrees.
- Ponding water after winter rains. Drains and scuppers clog with debris blown in from warehouse traffic and the 710 corridor. Standing water then degrades the membrane and, over time, finds its way through. A proper replacement includes new, larger drains and positive slope correction where possible.
- Leaks at HVAC curb flashings. On Commerce’s low-slope commercial and residential roofs, the leak is rarely in the field of the roof. It’s at the curb where the HVAC unit sits. We tear off those flashings, replace rotted decking beneath, and rebuild the curb to manufacturer spec.
- Neighbor complaints and work stoppages. Tight lots mean tear-off debris and staging equipment can spill into shared driveways or alleys. We coordinate with adjacent property owners before the job starts and use vacuum trucks to haul debris out of tight spaces without creating a mess.
See the difference
Before
After
Before
After
Before
AfterPricing for Roof Replacement in Commerce, CA
You won’t find a single flat number for roof replacement in Commerce because each building is different. What we can tell you is this: a typical flat membrane replacement on a postwar tract house runs $8,500 to $22,000. A full asphalt shingle replacement runs $9,500 to $26,000. The variables are decking condition, access, roof pitch, and whether we’re replacing drainage components. What doesn’t change is how we quote. Written line items. Fixed pricing with no change orders unless we find rotted decking and you approve the repair. Call (844) 966-3891 to schedule a free estimate. We’ll measure the roof, inspect the decking from the attic side, and hand you a number you can plan around.
We Also Serve Cities Near Commerce
Crown Line Roof Repair handles Roof Replacement across the LA basin’s eastern corridor. Beyond Roof Replacement in Commerce, we serve homeowners in Maywood, Bell, Cudahy, and Bell Gardens. The building stock is similar, the climate is the same, and the drainage problems are identical. If you’re in one of those cities and need a straight answer about your roof, call the same number: (844) 966-3891.
Serving Commerce, CA — Our Local Coverage Area
We’re based in the Commerce area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs About Roof Replacement in Commerce
We stage materials in sections and keep tear-off debris moving off-site the same day. On a tight Commerce lot, we often park the debris container on the street with a permit, not in your driveway, and use a vacuum truck to pull torn-off membrane and shingles over the house and into the container. This keeps your driveway open and avoids blocking shared alleys. Before we start, we’ll walk the site with you and identify exactly where materials, equipment, and the container will sit. Call (844) 966-3891 and we’ll factor site access into the quote before you sign anything.
Roof replacement in Commerce typically requires a building permit through the city’s Building and Safety division, and older homes near Telegraph or in designated overlay districts may face additional review. That review can take anywhere from a few days to several weeks depending on the property’s status. We handle the permit application, pay the fees as a pass-through line item, and schedule inspections. Our recommendation: start the permit process early, especially if your home falls under any historic or overlay review. Call (844) 966-3891 and we’ll check your property’s status during the free estimate.
Ponding on Commerce flat roofs almost always comes down to two things: clogged drains and insufficient slope. Debris from nearby warehouse traffic and the 710 corridor blows onto roofs, blocks scuppers and strainers, and water sits. Over time, the membrane degrades and leaks follow. A full replacement lets us address both causes: rebuild the drain sump, install larger scuppers, and add tapered insulation or a new sloped deck where the structure allows. Call (844) 966-3891 for an exact diagnosis and quote, estimates are free.
We coordinate with the adjacent property owner before tear-off begins and protect party walls with plywood shielding or heavy tarps during tear-off. On shared-wall flat roofs in Commerce, we also route debris away from the neighbor’s side and keep the site clean at the end of every day. It’s a courtesy, but it’s also practical: a neighbor complaint can shut a job down for days. If your home shares a wall, let us know during the estimate and we’ll include protection measures in the quote. Call (844) 966-3891.
A roofing square is 100 square feet of roof surface. When we quote a Commerce roof replacement, we measure total square footage, divide by 100, and multiply by a per-square rate that includes material, labor, and disposal. The number of squares tells you the actual surface area, not the footprint of your house. That matters in Commerce because many flat roofs have parapets, curbs, and multiple levels that add surface area. We’ll show you the measurements and the math during the estimate, so the final price isn’t a mystery. Call (844) 966-3891 to get your roof measured for free.
Roof Replacement in Commerce: Work on a Tight Lot, Done Right
Commerce is not a city of wide suburban lawns and generous setbacks. Houses sit close together. Many flat roofs share party walls or sit inches from the neighboring building. That changes how a roof replacement gets done. Before any tear-off, we walk the property line, identify shared walls and alley access, and talk to the neighbor whose wall or driveway sits adjacent to the work. On a 1952 stucco tract house near Rosewood, we replaced a failing modified bitumen flat roof. After tearing off the old membrane, we found rotted decking around a HVAC curb penetration and replaced it with new plywood, then installed a GAF TPO membrane with fresh flashing. The homeowner said the winter ponding stopped immediately.
Noise and work-hour ordinances in Commerce also matter. We start after the allowed morning hour and wrap before the evening cutoff. Parking is planned, not improvised. Debris goes into a permitted street container or a vacuum truck, not a shared alley. If your roof shares a wall, we shield it. If your driveway is narrow, we stage materials in phases. A constrained site doesn’t have to mean a chaotic job. It just means the roofer needs to think ahead. We do.
If you’re in Commerce, CA and need a straight answer about your roof, call (844) 966-3891 today to schedule your free estimate. We’ll inspect the roof, explain what we find, and give you a written line-item quote. No pressure. No sales pitch. Just a roof specialist who knows this city’s buildings and how to fix them.
Written by Noel Carrasco, Owner at Crown Line Roof Repair, serving Commerce since day one with repair-first honesty and multi-brand material expertise.